Fusion welding device for machining low-speed diesel engine

Abstract

The utility model discloses a low-speed diesel engine processing fusion welding device, which relates to the technical field of diesel engine processing, and comprises a conveying platform, a hydraulic oil cylinder and a laser welding gun, vertical rods are symmetrically distributed on the two sides of the conveying platform, fastening holes are equidistantly formed in the outer sides of the vertical rods, a lifting mechanism is arranged on the outer sides of the vertical rods, and the hydraulic oil cylinder and the laser welding gun are arranged on the conveying platform. The lifting mechanism adjusts the height of the laser welding gun according to the specification of the diesel engine so that the welding range of the laser welding gun can be conveniently adjusted, a displacement mechanism is arranged over the conveying platform, and the displacement mechanism adjusts the transverse displacement range of the laser welding gun and the angle of the laser welding gun. And the accuracy of welding different radians outside the diesel engine is improved. When different positions of a diesel engine shell or an internal assembly need to be welded, the laser welding gun can be directly rotated, the servo motor is used for driving the instrument base and the laser welding gun to conduct angle adjustment, and then electric welding treatment on the diesel engine shell is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diesel engine processing, specifically relates to low speed diesel engine processing fusion welding device. BACKGROUND

[0002] Low speed diesel engine is a kind of special internal combustion engine, mainly used in industrial and agricultural equipment, compared with high speed gasoline engine, the speed of low speed diesel engine is lower, usually between hundreds of revolutions per minute to two thousand revolutions, the structure of low speed diesel engine is relatively simple, and the maintenance cost is lower, in addition, due to its low speed characteristic, the noise level of low speed diesel engine is usually low.

[0003] The existing diesel engine welding device structure is relatively traditional, when welding diesel engine of different sizes is needed, a lot of time is spent to adjust the position of buckle, and the welding point radian of part of diesel engine is larger, in the process of actual operation, the angle of welding torch is difficult to control and adjust. SUMMARY

[0004] The utility model discloses a low speed diesel engine processing fusion welding device to solve the above-mentioned defects caused in prior art.

[0005] Low speed diesel engine processing fusion welding device, including conveying platform, hydraulic cylinder and laser welding torch, the two sides of conveying platform symmetry distribute vertical stand, the outside of vertical stand is equipped with fastening hole at equal intervals, the outside of vertical stand is provided with lifting mechanism, the height of laser welding torch is adjusted according to the specification of diesel engine, and then the range of laser welding torch is adjusted, the positive of conveying platform is provided with displacement mechanism, the lateral displacement range of laser welding torch and the angle of laser welding torch are adjusted, and the accuracy of different radian welding of diesel engine outside is improved.

[0006] Preferably, the lifting mechanism includes vertical stand, guide slot, sleeve block, hydraulic cylinder and fastening hole, the outside of vertical stand is symmetrically provided with guide slot, the outside of guide slot is connected with sleeve block, the outside of sleeve block is provided with fastening hole, and the flat iron plate seat is welded between the two groups of sleeve blocks, the bottom end of flat iron plate seat is connected with hydraulic cylinder, and the hydraulic cylinder is installed on one side of conveying platform.

[0007] Preferably, the sleeve block is connected with the hydraulic cylinder through the flat iron plate seat welded on the outside.

[0008] Preferably, the displacement mechanism comprises an electric cylinder rod, a servo motor, an instrument seat, a laser welding gun, a guide rail, a sliding block and a positioning shaft, the electric cylinder rod is installed on one side of the guide rail, an outer sleeve block is connected to the outer side of the guide rail, the instrument seat is arranged on one side of the guide rail, and the outer side of the instrument seat is symmetrically provided with the positioning shaft, one group of the positioning shafts are connected with the instrument seat bearing, and the other end of the positioning shaft is connected with the outer side of the laser welding gun.

[0009] Preferably, the servo motor is connected with the outer side of the laser welding gun through the positioning shaft connected with the output end.

[0010] Preferably, the instrument seat is connected with the output end of the electric cylinder rod through the sliding block arranged on the back.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1、When needing to weld different positions of the diesel engine shell or internal components, the laser welding gun can be directly rotated, the instrument seat and the laser welding gun are driven by the servo motor to adjust the angle, thereby satisfying the electric welding treatment of the diesel engine shell, so that the welding of different positions on the diesel engine is facilitated, and the convenience of the device in use is improved.

[0013] 2、The instrument seat 8 and the laser welding gun are driven by the sliding block to displace, the welding range is adjusted, the guide rail and the laser welding gun are driven by the hydraulic cylinder to vertically lift, the activity track of the laser welding gun is controlled according to the shape of the shell or the welding position, and the angle of the laser welding gun is adjusted by driving the laser welding gun by the servo motor. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall three-dimensional structure schematic diagram of the utility model.

[0015] Fig. 2 It is the guide rail side view structure schematic diagram in the utility model.

[0016] Fig. 3 It is the laser welding gun rotation structure schematic diagram in the utility model.

[0017] Fig. 4 It is the overall overhead structure schematic diagram in the utility model.

[0018] Among them:

[0019] 1, conveying platform;2, vertical stand;3, guide groove;4, outer sleeve block;5, lifting mechanism;6, electric cylinder rod;7, servo motor;8, instrument seat;9, laser welding gun;10, displacement mechanism;11, guide rail;12, hydraulic cylinder;13, fastening hole;14, sliding block;15, positioning shaft;16, flat iron plate seat. PREFERRED EMBODIMENT

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figs. 1 to 4 As shown, a low-speed diesel engine processing welding device includes a conveying platform 1, a hydraulic cylinder 12, and a laser welding torch 9. Vertical poles 2 are symmetrically distributed on both sides of the conveying platform 1. Fastening holes 13 are evenly spaced on the outer side of the vertical poles 2. A lifting mechanism 5 is provided on the outer side of the vertical poles 2. The lifting mechanism 5 adjusts the height of the laser welding torch 9 according to the specifications of the diesel engine, thereby facilitating the adjustment of the welding range by the laser welding torch 9. A displacement mechanism 10 is provided directly above the conveying platform 1. The displacement mechanism 10 adjusts the lateral displacement range and angle of the laser welding torch 9, improving the accuracy of welding different curvatures on the exterior of the diesel engine.

[0022] In this embodiment, the lifting mechanism 5 includes a vertical pole 2, a guide groove 3, an outer sleeve block 4, a hydraulic cylinder 12, and a fastening hole 13. The guide groove 3 is symmetrically provided on the outer side of the vertical pole 2. The outer sleeve block 4 is connected to the outer side of the guide groove 3. The fastening hole 13 is provided through the outer side of the outer sleeve block 4. A flat iron plate seat 16 is welded between the two sets of outer sleeve blocks 4. The bottom end of the flat iron plate seat 16 is connected to the hydraulic cylinder 12. The hydraulic cylinder 12 is installed on one side of the conveying platform 1.

[0023] In this embodiment, the outer sleeve block 4 is connected to the hydraulic cylinder 12 through the flat iron plate seat 16 welded to the outside. The flat iron plate seat 16 drives the outer sleeve block 4 and the guide rail 11 to move vertically up and down, thereby adjusting the range of motion.

[0024] In this embodiment, the displacement mechanism 10 includes an electric cylinder rod 6, a servo motor 7, an instrument seat 8, a laser welding gun 9, a guide rail 11, a slider 14, and a positioning shaft 15. The electric cylinder rod 6 is installed on one side of the guide rail 11. An outer sleeve block 4 is connected to the outer side of the guide rail 11. An instrument seat 8 is provided on one side of the guide rail 11. Positioning shafts 15 are symmetrically arranged on the outer side of the instrument seat 8. One set of positioning shafts 15 is connected to the bearing of the instrument seat 8. The other end of the positioning shaft 15 is connected to the outer side of the laser welding gun 9.

[0025] In this embodiment, the servo motor 7 is connected to the outside of the laser welding gun 9 via the positioning shaft 15 connected to the output end. The servo motor 7 drives the positioning shaft 15 to rotate, thereby adjusting the angle of the laser welding gun 9.

[0026] In the embodiment, the machine seat 8 is connected with the output end of the electric cylinder rod 6 through the back setting slider 14, the machine seat 8 and the laser welding gun 9 are driven to displace through the slider 14, and the welding range is adjusted.

[0027] The low-speed diesel engine processing fusion welding device includes the following working contents in actual application:

[0028] Step 1: The operator first installs the outer sleeve block 4 on the outer side of the vertical stand 2, so that the outer side of the vertical stand 2 is attached to the outer sleeve block 4, and the outer sleeve block 4 of the two groups is adjusted to the same height, then the operator installs the outer sleeve block 4 on the back of the guide rail 11, and installs the flat iron plate seat 16 between the two groups of outer sleeve blocks 4, and connects the output end of the hydraulic cylinder 12 with the outer side of the flat iron plate seat 16, thereby supporting the bottom end of the flat iron plate seat 16 and the outer sleeve block 4.

[0029] Step 2: In use, the slider 14 is installed on the outer side of the guide rail 11, the electric cylinder rod 6 is installed on the outer side of the guide rail 11, the output end of the electric cylinder rod 6 is connected with the slider 14, one side of the slider 14 is connected with one side of the machine seat 8, the positioning shaft 15 arranged on the outer side of the machine seat 8 is connected with the outer side of the laser welding gun 9, and one of the positioning shafts 15 is connected with the output end of the servo motor 7.

[0030] Step 3: In use, first, the outer shell of the low-speed diesel engine is placed on the outer side of the conveying platform 1, the low-speed diesel engine is moved to one side of the laser welding gun 9 by using the conveying platform 1, the flat iron plate seat 16 and the outer sleeve blocks 4 arranged on both sides are vertically lifted by using the hydraulic cylinder 12, so that the outer sleeve block 4 is displaced in the outer side guide groove 3 of the vertical stand 2, and when the welding height is reached, the operator closes the hydraulic cylinder 12.

[0031] Step 4: The operator opens the laser welding gun 9 to ensure that the laser beam is perpendicular to the workpiece surface, which is conducive to improving the welding quality and reducing welding defects, opens the electric cylinder rod 6 to displace the slider 14 and the flat iron plate seat 16 arranged on one side by using the electric cylinder rod 6, and then displaces the flat iron plate seat 16 and the laser welding gun 9 for welding, when different curvature shells or pipes need to be welded, the servo motor 7 is opened to drive the laser welding gun 9 to rotate, the angle of the laser welding gun 9 is adjusted, and then the servo motor 7 is closed.

[0032] Therefore, the above disclosed embodiments are only examples and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. A low speed diesel engine machining fusion welding device, characterized by: Including conveying platform (1), hydraulic cylinder (12) and laser welding gun (9), both sides of the conveying platform (1) are symmetrically provided with vertical upright rods (2), fastening holes (13) are equidistantly formed on the outer side of the vertical upright rods (2), the outer side of the vertical upright rods (2) is provided with a lifting mechanism (5), the lifting mechanism (5) adjusts the height of the laser welding gun (9) according to the specifications of the diesel engine, thereby facilitating the laser welding gun (9) to adjust the welding range, and the displacement mechanism (10) is arranged above the conveying platform (1), the displacement mechanism (10) adjusts the lateral displacement range of the laser welding gun (9) and the angle of the laser welding gun (9), and the accuracy of welding of different radii of the diesel engine is improved.

2. A low speed diesel machine welding apparatus as defined in claim 1 wherein: The lifting mechanism (5) comprises vertical upright rods (2), guide grooves (3), sleeve blocks (4), hydraulic cylinders (12) and fastening holes (13), the outer sides of the vertical upright rods (2) are symmetrically provided with guide grooves (3), the outer sides of the guide grooves (3) are connected with sleeve blocks (4), the outer sides of the sleeve blocks (4) are penetrated with fastening holes (13), two groups of the sleeve blocks (4) are welded with flat iron plate seats (16) between the sleeve blocks (4), the bottom ends of the flat iron plate seats (16) are connected with hydraulic cylinders (12), and the hydraulic cylinders (12) are installed on one side of the conveying platform (1).

3. A low speed diesel machine welding apparatus as defined in claim 2 wherein: The sleeve blocks (4) are connected with the hydraulic cylinders (12) through the flat iron plate seats (16) welded on the outer sides of the sleeve blocks (4).

4. The low speed diesel machine welding apparatus of claim 1, wherein: The displacement mechanism (10) comprises electric cylinder rods (6), servo motors (7), instrument seats (8), laser welding guns (9), guide rails (11), sliding blocks (14) and positioning shafts (15), the electric cylinder rods (6) are installed on one side of the guide rails (11), the outer sides of the guide rails (11) are connected with sleeve blocks (4), one side of the guide rails (11) is provided with an instrument seat (8), the outer sides of the instrument seat (8) are symmetrically provided with positioning shafts (15), one group of the positioning shafts (15) are connected with the instrument seat (8) through bearings, and the other ends of the positioning shafts (15) are connected with the outer sides of the laser welding guns (9).

5. A low speed diesel machine welding apparatus as defined in claim 4 wherein: The servo motors (7) are connected with the outer sides of the laser welding guns (9) through the positioning shafts (15) connected with the output ends.

6. The low speed diesel engine fabrication fusion welding apparatus as defined in claim 4 wherein: The instrument seat (8) is connected with the output end of the electric cylinder rod (6) through the sliding block (14) arranged on the back.

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